High Quality Content by WIKIPEDIA articles! Ubayd Allah ibn Ziyad was a son of Ziyad ibn Abi Sufyan after whose death in 673 he became the Governor of Kufa and Basra and later Khurasan.He also minted coinage, which survives to this day. In 674 he would cross the Amu Darya and defeat the forces of Bukhar Khuda of Bukhara what would become the first known invasion of the city by Muslim Arabs. In 680, Yazid I ordered Ubayd Allah to keep order in Kufa as a reaction to grandson of Prophet, Husayn ibn Ali's popularity there. Ubayd Allah appointed his brother Uthman as deputy and marched to Kufa. Ubayd Allah executed Hussain ibn Ali's cousin Muslim ibn Aqeel and put out the right eye of Hussain ibn Ali's supporter Al-Mukhtar. He was also one of the leaders of the army of Yazid I during the battle of Karbala.